Bret J. Barrett, MD
NPI 1265640577ActiveIndividual· Internal Medicine, Infectious Disease· Jackson, MS
Internal Medicine, Infectious Disease (MD) in Jackson, Mississippi, trained at Louisiana State University School of Medicine in Shreveport (class of 2002). In 2024 Medicare paid $208,977 for 403 patients, and Part D covered 260 of their prescriptions, 72% of them generic. Merck Sharp & Dohme LLC reported $27.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1265640577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Mar 29, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 20210 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 403 |
|---|---|
| Services billed | 2,522 across 4 procedure codes |
| Paid by Medicare | $208,977 |
Part D prescriptions in 2024
| Prescriptions (claims) | 260 · 260 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $55,744 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Infectious Disease |
Medical group
- Medical Foundation of Central Mississippi IncJackson, MS · 272 clinicians
Hospital affiliation
- Mississippi Baptist Medical CenterJackson, MS
Industry payments (Open Payments)
- 2025$27.21 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $27.21 | 1 |
What the 2025 payments were for
- Food and Beverage$27.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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